/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlets;

import java.io.IOException;
import java.io.PrintWriter;
import java.lang.reflect.InvocationTargetException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.beanutils.BeanUtils;

/**
 *
 * @author Claudivan Alves
 */
public class CadastroAluno extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();

        String nome = request.getParameter("nome").trim();
        String matricula = request.getParameter("matricula").trim();
        String senha = request.getParameter("senha").trim();

        out.println("<html>");
        out.println("<head>");
        out.println("<title>Cadastro de Alunos</title>");
        out.println("</head>");
        if (atributosIsValidos(nome, matricula, senha)) {
            Aluno aluno = new Aluno();
            try {
                BeanUtils.populate(aluno, request.getParameterMap());
                //falta enviar para o banco
            } catch (IllegalAccessException ex) {
                out.println("Isto é constrangedor! " + ex.getMessage());
                out.println("</body>");
                out.println("</html>");
            } catch (InvocationTargetException ex) {
                out.println("Isto é constrangedor! " + ex.getMessage());
                out.println("</body>");
                out.println("</html>");
            }finally{
                out.close();
            }
        } else {
            response.sendRedirect("errocadastro.html");
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

    private boolean atributosIsValidos(String nome, String matricula, String senha) {
        if (nome.equals("") || (matricula.equals("") || (senha.equals("")))) {
            return false;
        }
        return true;
    }
}
